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Chevrolet Performance SP350/357 Base Crate Engine

If it’s affordable performance you’re looking for to power your project vehicle, Chevrolet Performance’s SP350/357 delivers!

The SP350/357 leverages the strength of a strong rotating assembly secured in a brand-new block with four-bolt mains, along with economical Vortec iron cylinder heads. A roller camshaft optimizes drivability and airflow capability.

This assembled long block comes with the oil pan and front cover and is ready to be finished with the induction system and additional accessories.

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Part # 19435437

*Price Subject to Change without notice*

**Price is Valid for Cash/Check Purchases Only**

All GM Performance Parts Crate Engines includes a 24-Month or 50,000 Mile Limited Warranty through GM Performance Parts.

Tech Specs
Part Number:	19420870
Horse Power:	357 hp @ 5,500 rpm
Torque:	407 lb.-ft. @ 4,000 rpm
Engine Type:	Chevy Small-Block V-8
Displacement (cu in):	350
Bore X Stroke (in):	4.000 x 3.480
Block:	Cast-iron with four-bolt main caps
Crankshaft:	Nodular iron
Connecting Rods:	Powdered metal
Pistons:	Cast-aluminum
Camshaft Type:	Hydraulic roller
Valve Lift (in):	0.473” intake / 0.473” exhaust
Camshaft Duration (@ 0.050 in):	215° intake / 223° exhaust
Cylinder Heads	Cast iron; as cast with 64-cc chambers
Valve Size (in):	1.940 intake / 1.500 exhaust
Compression Ratio:	9.0:1 nominal
Rocker Arms (intake):	Stamped steel
Rocker Arms (exhaust)	Stamped steel
Rocker Arms Ratio:	1.5:1
Recommended Fuel:	Premium unleaded
Ignition Timing:	32° Total @ 4,000 rpm
Maximum Recommended RPM:	5600
Balanced:	External
Flexplate:	12.750"